African violet named Arctic Ocean

ABSTRACT

A new variety of African violets that have been bred from a hybrid formed by crossing Saintpaulia ionantha, the traditional florists&#39; African violet with the high altitude species, Saintpaulia schumensis. The high cost of energy in the northern latitudes and the relatively high temperatures required by Saintpaulia ionantha, which grows naturally at the foot of Mount Usamabara in East Africa, have made commercial growing of the violet expensive. By bringing in genes from Saintpaulia schumensis which grows at some 7,000 feet on the same mountain, where temperatures can fall as low as 55 degrees Fahrenheit, a new avenue of growth is opened up for this popular plant.

BACKGROUND OF THE NEW PLANT

To obtain this new variety of African violet plant, the inventorycross-pollenated the seed parent S. `Evelyn` and the pollent parent S.`Optimara Georgia`. The seed pods of the pollenated plants were used asthe generic basis for initiating further experimental series.Approximately 25 seedlings were selected by very rigid standards forfurther propagation. Propagation of these plants and refinement out oflimited selected plants continued and tests were conducted for thedevelopment of permanent characteristics of disease resistance andvigorous growth.

DESCRIPTION OF THE PLANT

Sheet one is a full color photographic view of the plant in bloom; thecolors shown being as nearly true as it is reasonably possible to obtainby conventional photographic procedures.

The following is a detailed description of my new African violet plantwith the color designation being accorded to The R.H.S. Colour Chartpublished by The Royal Horticultural Society of London, England, withcollaboration by the British Colour Council.

DETAILED DESCRIPTION

Plant:

Name.--Arctic Ocean.

Botanical classification.--Saintpaulia ionantha.

Commercial classification.--African violet.

Origin.--Hybrid.

Seed parent.--S. `Evelyn`.

Pollen parent.--S. schumensis×S. `Optimara Georgia`.

Form.--Rosette arrangement.

Height.--6-10 cm.

Growth.--Vigorous, petioles at first upright, becoming horizontal withage.

Size.--Medium, to 25 cm in diameter.

Mutation prone.--Negligible.

Leaves:

Shape.--Ovate, margins slightly crenate.

Length.--6-7 cm on mature leaves.

Width.--5-6 cm on mature leaves.

Color.--Upperside: Dark green. Underside: Pale Green, reddish at base.

Texture.--Upperside: Sparsely hairy. Underside: Hairy.

Ribs and veins.--Pronounced, pinnate.

Petiole.--Flattened above. Moderately hairy. Purplish.

Blooming habit.--Continuous and abundant under optimal growingconditions.

Number.--3-10 per peduncle.

Size.--3-4 cm in diameter.

Color.--Violet-Blue (R.H.S. 93B).

Type.--Semi-double, violet-like.

Petals.--5, with up to 6 petaloids. Margins entire.

Texture.--Smooth, slightly flexible.

Appearance.--Upperside smooth, lower side slightly pubescent.

Peduncles.--To 8 cm in height, moderately hairy, purplish.

Inflorescence.--Cyme, upright, above the foliage.

Calyx.--Quinquepartite, reddish, moderately hairy.

Persistence.--Flowers do not drop.

Fragrance.--None.

Reproductive organs:

Stamens.--Two, occasionally fused to petaloids. Anthers: Bright yellow,two per filament. Filaments: c. 0.5 cm in length. Pollen: Light yellow.

Pistils.--One. Stigma: Visible and accessible, becoming swollen whenreceptive and exuding a droplet of clear liquid.

Style: c. 0.5 cm in length. Ovary: Superior.

Other characteristics: This variety will grow at lower temperatures thanmost commercially available hybrids because of its Saintpauliaschumensis parentage.

I claim:
 1. An African violet plant as shown and described.